{"id":"https://openalex.org/W7128501492","doi":"https://doi.org/10.1109/tcomm.2026.3663532","title":"Improved Successive Cancellation Decoding of Long Polar Codes Through Perturbing a Posteriori LLRs and Its Theoretical Insights","display_name":"Improved Successive Cancellation Decoding of Long Polar Codes Through Perturbing a Posteriori LLRs and Its Theoretical Insights","publication_year":2026,"publication_date":"2026-01-01","ids":{"openalex":"https://openalex.org/W7128501492","doi":"https://doi.org/10.1109/tcomm.2026.3663532"},"language":null,"primary_location":{"id":"doi:10.1109/tcomm.2026.3663532","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tcomm.2026.3663532","pdf_url":null,"source":{"id":"https://openalex.org/S196647941","display_name":"IEEE Transactions on Communications","issn_l":"0090-6778","issn":["0090-6778","1558-0857"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310316002","host_organization_name":"IEEE Communications Society","host_organization_lineage":["https://openalex.org/P4310316002","https://openalex.org/P4310319808"],"host_organization_lineage_names":["IEEE Communications Society","Institute of Electrical and Electronics Engineers"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Transactions on Communications","raw_type":"journal-article"},"type":"article","indexed_in":["crossref"],"open_access":{"is_oa":false,"oa_status":"closed","oa_url":null,"any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5072316255","display_name":"Zhongjun Yang","orcid":"https://orcid.org/0000-0002-4541-0316"},"institutions":[{"id":"https://openalex.org/I157773358","display_name":"Sun Yat-sen University","ror":"https://ror.org/0064kty71","country_code":"CN","type":"education","lineage":["https://openalex.org/I157773358"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Zhongjun Yang","raw_affiliation_strings":["School of Electronics and Information Technology, Sun Yat-sen University, Guangzhou, China"],"affiliations":[{"raw_affiliation_string":"School of Electronics and Information Technology, Sun Yat-sen University, Guangzhou, China","institution_ids":["https://openalex.org/I157773358"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100379215","display_name":"Li Chen","orcid":"https://orcid.org/0000-0002-1725-1901"},"institutions":[{"id":"https://openalex.org/I157773358","display_name":"Sun Yat-sen University","ror":"https://ror.org/0064kty71","country_code":"CN","type":"education","lineage":["https://openalex.org/I157773358"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Li Chen","raw_affiliation_strings":["School of Electronics and Information Technology, Sun Yat-sen University, Guangzhou, China"],"affiliations":[{"raw_affiliation_string":"School of Electronics and Information Technology, Sun Yat-sen University, Guangzhou, China","institution_ids":["https://openalex.org/I157773358"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5125514390","display_name":"Xianbin Wang","orcid":null},"institutions":[{"id":"https://openalex.org/I2250955327","display_name":"Huawei Technologies (China)","ror":"https://ror.org/00cmhce21","country_code":"CN","type":"company","lineage":["https://openalex.org/I2250955327"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Xianbin Wang","raw_affiliation_strings":["Hangzhou Research Center, Huawei Technologies Company Ltd., Hangzhou, China"],"affiliations":[{"raw_affiliation_string":"Hangzhou Research Center, Huawei Technologies Company Ltd., Hangzhou, China","institution_ids":["https://openalex.org/I2250955327"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5125576134","display_name":"Huazi Zhang","orcid":null},"institutions":[{"id":"https://openalex.org/I2250955327","display_name":"Huawei Technologies (China)","ror":"https://ror.org/00cmhce21","country_code":"CN","type":"company","lineage":["https://openalex.org/I2250955327"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Huazi Zhang","raw_affiliation_strings":["Hangzhou Research Center, Huawei Technologies Company Ltd., Hangzhou, China"],"affiliations":[{"raw_affiliation_string":"Hangzhou Research Center, Huawei Technologies Company Ltd., Hangzhou, China","institution_ids":["https://openalex.org/I2250955327"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":4,"corresponding_author_ids":["https://openalex.org/A5072316255"],"corresponding_institution_ids":["https://openalex.org/I157773358"],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":{"value":0.29004834,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":"74","issue":null,"first_page":"5489","last_page":"5503"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11321","display_name":"Error Correcting Code Techniques","score":0.9887999892234802,"subfield":{"id":"https://openalex.org/subfields/1705","display_name":"Computer Networks and Communications"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T11321","display_name":"Error Correcting Code Techniques","score":0.9887999892234802,"subfield":{"id":"https://openalex.org/subfields/1705","display_name":"Computer Networks and Communications"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10125","display_name":"Advanced Wireless Communication Techniques","score":0.0032999999821186066,"subfield":{"id":"https://openalex.org/subfields/2208","display_name":"Electrical and Electronic Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T11130","display_name":"Coding theory and cryptography","score":0.0007999999797903001,"subfield":{"id":"https://openalex.org/subfields/1702","display_name":"Artificial Intelligence"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/decoding-methods","display_name":"Decoding methods","score":0.9448000192642212},{"id":"https://openalex.org/keywords/sequential-decoding","display_name":"Sequential decoding","score":0.7145000100135803},{"id":"https://openalex.org/keywords/list-decoding","display_name":"List decoding","score":0.6816999912261963},{"id":"https://openalex.org/keywords/code-word","display_name":"Code word","score":0.4912000000476837},{"id":"https://openalex.org/keywords/set","display_name":"Set (abstract data type)","score":0.48240000009536743},{"id":"https://openalex.org/keywords/a-priori-and-a-posteriori","display_name":"A priori and a posteriori","score":0.475600004196167},{"id":"https://openalex.org/keywords/berlekamp\u2013welch-algorithm","display_name":"Berlekamp\u2013Welch algorithm","score":0.4560000002384186}],"concepts":[{"id":"https://openalex.org/C57273362","wikidata":"https://www.wikidata.org/wiki/Q576722","display_name":"Decoding methods","level":2,"score":0.9448000192642212},{"id":"https://openalex.org/C193969084","wikidata":"https://www.wikidata.org/wiki/Q7452500","display_name":"Sequential decoding","level":4,"score":0.7145000100135803},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.6862000226974487},{"id":"https://openalex.org/C204397858","wikidata":"https://www.wikidata.org/wiki/Q4437907","display_name":"List decoding","level":5,"score":0.6816999912261963},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.49889999628067017},{"id":"https://openalex.org/C153207627","wikidata":"https://www.wikidata.org/wiki/Q863873","display_name":"Code word","level":3,"score":0.4912000000476837},{"id":"https://openalex.org/C177264268","wikidata":"https://www.wikidata.org/wiki/Q1514741","display_name":"Set (abstract data type)","level":2,"score":0.48240000009536743},{"id":"https://openalex.org/C75553542","wikidata":"https://www.wikidata.org/wiki/Q178161","display_name":"A priori and a posteriori","level":2,"score":0.475600004196167},{"id":"https://openalex.org/C132727834","wikidata":"https://www.wikidata.org/wiki/Q4892328","display_name":"Berlekamp\u2013Welch algorithm","level":5,"score":0.4560000002384186},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.4480000138282776},{"id":"https://openalex.org/C29705727","wikidata":"https://www.wikidata.org/wiki/Q294562","display_name":"Polar","level":2,"score":0.4226999878883362},{"id":"https://openalex.org/C177918212","wikidata":"https://www.wikidata.org/wiki/Q803623","display_name":"Perturbation (astronomy)","level":2,"score":0.3675000071525574},{"id":"https://openalex.org/C207467116","wikidata":"https://www.wikidata.org/wiki/Q4385666","display_name":"Inverse","level":2,"score":0.3490000069141388},{"id":"https://openalex.org/C77553402","wikidata":"https://www.wikidata.org/wiki/Q13222579","display_name":"Upper and lower bounds","level":2,"score":0.30219998955726624},{"id":"https://openalex.org/C152124472","wikidata":"https://www.wikidata.org/wiki/Q1204361","display_name":"Redundancy (engineering)","level":2,"score":0.29030001163482666},{"id":"https://openalex.org/C80444323","wikidata":"https://www.wikidata.org/wiki/Q2878974","display_name":"Theoretical computer science","level":1,"score":0.2687999904155731},{"id":"https://openalex.org/C2778915421","wikidata":"https://www.wikidata.org/wiki/Q3643177","display_name":"Performance improvement","level":2,"score":0.2623000144958496}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/tcomm.2026.3663532","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tcomm.2026.3663532","pdf_url":null,"source":{"id":"https://openalex.org/S196647941","display_name":"IEEE Transactions on Communications","issn_l":"0090-6778","issn":["0090-6778","1558-0857"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310316002","host_organization_name":"IEEE Communications Society","host_organization_lineage":["https://openalex.org/P4310316002","https://openalex.org/P4310319808"],"host_organization_lineage_names":["IEEE Communications Society","Institute of Electrical and Electronics Engineers"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Transactions on Communications","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[{"id":"https://openalex.org/G8171082816","display_name":null,"funder_award_id":"62471503","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G964812012","display_name":null,"funder_award_id":"2024A1515010213","funder_id":"https://openalex.org/F4320321921","funder_display_name":"Natural Science Foundation of Guangdong Province"}],"funders":[{"id":"https://openalex.org/F4320321001","display_name":"National Natural Science Foundation of China","ror":"https://ror.org/01h0zpd94"},{"id":"https://openalex.org/F4320321921","display_name":"Natural Science Foundation of Guangdong Province","ror":null}],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":0,"referenced_works":[],"related_works":[],"abstract_inverted_index":{"For":[0],"polar":[1,27],"codes,":[2,28],"perturbing":[3,60],"received":[4],"information":[5,48,70],"can":[6,36,55,107,166],"enhance":[7],"the":[8,31,52,61,77,94,115,132,142,162,172,184,190,201,207],"successive":[9],"cancellation":[10],"(SC)":[11],"decoding":[12,35,54,84,95,125,165,188,193,205],"performance.":[13],"This":[14,41],"is":[15],"an":[16,80],"effective":[17],"approach":[18],"for":[19,25,156],"realizing":[20],"low-latency":[21],"yet":[22],"high":[23],"performance":[24,170],"long":[26],"since":[29],"all":[30],"perturbation-enhanced":[32],"SC":[33,124],"(PSC)":[34],"be":[37,56,108],"performed":[38],"in":[39,114],"parallel.":[40],"paper":[42],"provides":[43],"theoretical":[44],"insights":[45],"into":[46],"soft":[47],"perturbation,":[49,140],"revealing":[50],"that":[51,85],"PSC":[53,82,118,174],"equivalently":[57],"interpreted":[58],"as":[59,171,200],"<italic":[62,96],"xmlns:mml=\"http://www.w3.org/1998/Math/MathML\"":[63,97],"xmlns:xlink=\"http://www.w3.org/1999/xlink\">a":[64,98],"posteriori</i>":[65,99],"log-likelihood":[66],"ratios":[67],"(LLRs)":[68],"of":[69,79,103,187],"bits.":[71],"Such":[72],"a":[73,87,101,138,168,178],"revelation":[74],"leads":[75],"to":[76,130],"design":[78],"improved":[81],"(IPSC)":[83],"yields":[86],"lower":[88],"perturbation":[89,181],"complexity.":[90,182],"By":[91],"better":[92],"utilizing":[93],"LLRs,":[100],"set":[102],"possibly":[104],"erroneous":[105,134,144],"estimations":[106,145],"formed":[109],"and":[110,160,206],"further":[111],"perturbed,":[112],"resulting":[113],"proposed":[116,163,191],"hybrid":[117],"(HPSC)":[119],"decoding.":[120,211],"During":[121],"each":[122],"new":[123],"attempt,":[126],"it":[127],"takes":[128],"turns":[129],"flip":[131],"first":[133],"bit":[135],"by":[136],"introducing":[137],"biased":[139],"while":[141],"subsequent":[143],"are":[146],"corrected":[147],"through":[148],"random":[149],"perturbations.":[150],"Our":[151],"simulation":[152],"results":[153],"validate":[154],"that,":[155],"various":[157],"codeword":[158],"lengths":[159],"rates,":[161],"IPSC":[164],"achieve":[167],"similar":[169],"conventional":[173],"decoding,":[175,198],"but":[176],"yield":[177],"significantly":[179],"reduced":[180],"With":[183],"same":[185],"number":[186],"attempts,":[189],"HPSC":[192],"outperforms":[194],"several":[195],"state-of-the-art":[196],"SC-based":[197],"such":[199],"thresholded":[202],"SC-flip":[203,209],"(TSCF)":[204],"dynamic":[208],"(DSCF)":[210]},"counts_by_year":[],"updated_date":"2026-04-09T08:11:56.329763","created_date":"2026-02-11T00:00:00"}
